#include <stdio.h>

int main(){ 
    float flt1,flt2;
    printf("Please input 1 float type of F! \n");
    scanf("%f",&flt1);
    flt2 = 5./9.*(flt1-32.);
    printf("%.2fF is equals %.2fC\n",flt1,flt2);

    return 0;
}
